Electronic Resource
Springer
Geometriae dedicata
82 (2000), S. 21-104
ISSN:
1572-9168
Keywords:
fixed point ratios
;
almost simple groups
;
permutation actions
;
classical groups.
Source:
Springer Online Journal Archives 1860-2000
Topics:
Mathematics
Notes:
Abstract We provide estimates for the fixed point ratios in the permutation representations of a finite classical group over a field of order q on k-subspaces of its natural n-dimensional module. For sufficiently large n, each element must either have a negligible ratio or act linearly with a large eigenspace. We obtain an asymptotic estimate in the latter case, which in most cases is q −dk where d is the codimension of the large eigenspace. The results here are tailored for our forthcoming proof of a conjecture of Guralnick and Thompson on composition factors of monodromy groups.
Type of Medium:
Electronic Resource
URL:
http://dx.doi.org/10.1023/A:1005278605358
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